Hippopotamus mother 'Petra' and her one week old offspring are seen at the zoo in Frankfurt, Germany, on Thursday, July 8, 2004. The unnamed baby hippo was born on July 1, 2004. (AP Photo/Bernd Kammerer)

Manchita, Jaguar, protects her two-week-old cub at the National Zoo in Managua, NIcaragua, Friday, June, 4, 2004. (AP Photo/Esteban Felix)

Eleven month-old baby orangutan Karno plays with his mother Anne at the Ragunan Zoo in Jakarta, June 4, 2004. There are now 50,000 orangutans in Indonesia and many environmentalists warn their population could be extinct by 2020 without a protection program. REUTERS/Enny Nuraheni

The latest births at Dublin Zoo, three female Sumatran tiger cubs, one of the most endangered species in world, make their first appearance at the zoo in Dublin, Germany Wednesday, June 2, 2004. Satu, Dua and Tiga, which means 'One' 'Two' and 'Three' in Bahasa Indonesian, each weighed 900 grammes when born and are being successfully reared by the mother Sigra. ( AP Photo/PA, Haydn West)

A 4-month-old Bornean sun bear cub cuddles with its mother, Marcela, inside the sun bear forest birthing den, Thursday, May 20, 2004, at the San Diego Zoo. This is the first time the San Diego Zoo has had a birth of a Bornean sun bear, which is a subspecies of the Malayan sun bear. Bornean sun bears are endangered and are rare in zoological facilities. It is found throughout different areas of Southeast Asia, making it difficult to have a good census of this species. (AP Photo/San Diego Zoo, Ken Bohn)

A baby giraffe lies on straw just moments after its birth at the zoo in Rapperswil, a town on Lake Zurich about 50 km outside of Zurich, late May 17, 2004. The young male weighed 85 kilograms and measured 1.5 meters in height at its birth. REUTERS/Andreas Meier

Giraffe mother Luana licks her new born clean just moments after its birth at the zoo in Rapperswil, a town on Lake Zurich about 50 km outside of Zurich, late May 17, 2004. The young male weighed 85 kilograms and measured 1.5 meters in height at its birth. REUTERS/Andreas Meier

Maya, a chimpanzee at Jerusalem's Biblical Zoo, holds her twin babies born two days ago in Jerusalem May 24, 2004. Israeli zookeepers suspected some monkey business only after Maya, a 24-year-old chimpanzee, suddenly gave birth to twins despite an apparent lack of virile mates. The happy event at Jerusalem's Biblical Zoo caught everyone by surprise: nobody had noticed Maya was pregnant and Og and Gremlin, the only adult males among 11 chimps at the facility, were sterilized years ago, a zoo official said Tuesday. Photo by Gil Cohen Magen/Reuters

One of two African lion cubs, right, relaxes in the lion yard with its mother, Precious, at the Fort Worth Zoo, Monday, May 24, 2004, in Fort Worth, Texas. The two 6-week-old cubs weigh about 12 lbs. each and are the first pair of lion cubs born at the zoo in almost 20 years. The cubs names will be determined through an online poll. (AP Photo/Fort Worth Star-Telegram, Ron Jenkins)

Sinta, an 8-year-old Orangutan, kisses her newborn baby Sunday, March 28, 2004, in Prigen Safari Park, Pasuruan, East Java, Indonesia. (AP Photo/Trisnadi)

Belgrade Zoo's latest addition, a three-day-old, as yet un-named, baby hippopotamus, swims alongside his mother, Julka, in balmy spring weather, in Belgrade Zoo, Friday, April 2, 2004. (AP Photo/Darko Vojinovic)

Ligi, a seven-year-old female koala, holds her eight-month-old baby at the Taipei Zoo on April 1, 2004 during the baby's first public appearance. The yet-to-be-named male koala was born on July 4, 2003 and weighs 1.18 kg. (REUTERS/Simon Kwong)

A three-month old Red bear cub (Ursus arctos isabellinus) stands under his mother while taking his first steps at St. Petersburg's Zoo, March 16, 2004. St. Petersburg Zoo, one of the oldest in Europe, will celebrate it's 140th anniversary next year. REUTERS/Alexander Demianchuk

The first Asian Elephant to be born at Whipsnade Zoo in Bedfordshire stands with her 22 year old mother, Kaylee, as she is revealed to the public for the first time, Tuesday March 30, 2004. The female calf who was born on March 16, weighs 328 pounds (149 kg), is 3 feet (99cm) tall and is due to be named in the near future. (AP Photo/PA, Stefan Rousseau)

An infant Sumatran orangutan is held by his mother at the San Diego Zoo, Wednesday, March 24, 2004, after receiving his name today after more than 180,000 America Online users cast their vote. The two 1/2-week-old male was crowned Cinta, which means love and affection in Bahasa, the official language of Sumatra, an island that is part of Indonesia. The exclusive online naming poll was part of 'What's New @ the Zoo,' an educational programming area of AOL. Sumatran orangutans are critically endangered. This is the first baby to be born at the Zoo in nine years. (AP Photo/Zoological Society of San Diego, Ken Bohn)

A one-month-old baby Silver Langur (presbytis cristata) is carried by his mother at the Taman Safari park in Bogor, West Java on March 12, 2004. In Indonesia, the rare Silver Langur, which is found on the Sumatra, Java and Kalimantan islands, is one of the protected animals under a Forestry Ministry decree.

Bengal Tiger, Ratu kisses her cub in a cage at Ragunan Zoo in Jakarta, Wednesday, March, 24, 2004. Ratu gave birth to three cubs on Monday, two of the them survived. (AP Photo/ Achmad Ibrahim)

Kyusu kisses her 4-day-old baby giraffe at Shanghai Zoo March 3, 2004. The still unnamed baby giraffe was nearly 50 kilograms ( 110 pounds) and 180 centimeters (71 inches) when born on February 29 and became the 13th member of the zoo's giraffe family.

Tishari (C), a week-old Baringo giraffe, is greeted by fellow herd members after making her official public debut at the San Diego Zoo's Wild Animal Park, April 8, 2004. Tishari, which means 'lighter,' in Swahili, is the 90th Baringo giraffe to be born at the Wild Animal Park since 1972.

Myanmar has created the world's largest tiger reserve in an effort to protect the habitat of its remaining 250 big cats and boost their dwindling population (AFP/File/Rabih Moghrabi)

A bengal tiger cleans her two-day old cubs at the Ragunan Zoo in Jakarta March 24, 2004. A pure white tiger cub, one of three cubs in this litter, died on Wednesday morning. REUTERS/Darren Whiteside

"one dad and son..."

One of the three six-week old Asiatic lion cubs born at Chessington World of Adventure in Surrey, England, stands alongside his father Thursday May 20, 2004, as he makes his public debut. The species is critically endangered with just 500 left in the world. (AP Photo/PA, Tim Ockenden)

"ok, and a small family . . ."

Sea Otter family